PART NO. 1349943 DATED 06-01-01

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T-Square®

UniversalHome Shop

Fence System

®

INTRODUCTIONThe models 78-930, 28” capacity; 78-931, 40” capacity; and 78-935, 52” capacity Universal T-Square® Fence Sys-tems include the fence assembly, front rail, rear rail and front guide tube along with the necessary mounting hardwarefor assembling the fence system to many different types and styles of table saws. An accessory right extension table,must be ordered separately or a similar extension table must be constructed by following the instructions in thismanual. The accessory leg kit, model 78-951, used to support the extension table, must also be ordered separately.IMPORTANT: The Biesemeyer® T-Square® Home Shop Fence System is designed to be used ONLY with asupporting extension table and leg kit.

UNPACKING

Carefully unpack the Biesemeyer® T-Square® Fence System from the shipping cartons. Figures 2 and 3 illustrate allthe items supplied with the Fence system.

Fig. 2

1 - Rear Rail

2 -Front Rail

3 - Guide Tube

4 - T-Square® Fence Assembly

1

3

2

2

4

5 – Template for aligning front rail to saw table

6 – Cable Strap

7 -- *Switch bracket for use with Delta 10” Contractor’s

Saws and Delta 10” Contractor’s Saws II with plastic

switch actuator. See note below.For Assembling Switch Bracket to Guide tube onDelta 10” Contractor’s Saws and Delta 10”Contractor’s Saws II.8 – 1/4-20 x 3/4” long hex head screw (2)

9 – 1/4” lock washer (2)For Assembling Switch to Switch Bracket on Delta10” Contractor’s Saws and Delta 10” Contractor’sSaws II10 – 3/8-16 x 1” long hex screw

11 – 7/8” O.D. - 3/8 I.D. flat washer

12 – 3/8” lock washer

13 - 3/8-16 hex nutFor Fastening Guide Tube to Front Rail14 – 1/4-20 x 1/2” long hex head screw (7)

15 – 1/4” lockwasher (7)

For Fastening Front Rail to Delta Saw Tables andSheet Metal Extension Wing if Applicable16 – 3/8-16 x 1-1/4” long flat head screw (3)

17 – 7/8” O.D. - 3/8” I.D. flat washer (3)

18 – 3/8” lockwasher (3)

19 – 3/8-16 hex nutFor Fastening Rear Rail to Delta Saw Table and SheetMetal Wing if Applicable20 – 3/8-24 x 1-1/2” hex head screw (3)

21 – 7/8” I.D. -3/8” I.D. flat washer (3)

22 – 3/8” lockwasher (3)

23 – 3/8-24 hex nut (3)For Fastening Front and Rear Rails to Saw Table andExtension Wings on Saws other than Delta24 – 1/4-20 x 1-1/4” long hex head screw (10)

25 – Flat washer (10)

26 – 1/4” lockwasher (10)

27 – 1/4-20 hex nut (10)For Fastening Front and Rear Rails to Right ExtensionTable28 – 1/4-20 x 1-1/2” long flat head screw (12)

29 – Flat washer (12)

30 – 1/4-20 hex nut (12)*NOTE: Current Delta saws no longer utilize the switch adapter bracket shown. If you are installing this systemon an older Delta saw that has the on/off switch shown in this manual, Please call Biesemeyer ManufacturingCustomer Service Department at 1-800-782-1831 to have a bracket sent to you at no charge.

Fig. 3

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19

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If you purchased the accessory right extension table, carefully unpack the extension table from the shipping container.Figure 4 illustrates the accessory right extension table removed from the container. NOTE: If you did not purchase theaccessory right extension table for use with your T-Square® fence, or if your saw has a table depth other than 27”, refer tothe section of this manual titled ”CONSTRUCTING EXTENSION TABLE” for information on constructing a right exten-sion table.

Fig. 4

If you purchased the accessory leg kit (model 78-951) for use with the right extension table, Fig. 5 illustrates the legs andall loose items supplied with this accessory.

Fig. 51 - Leg (2) 4 - 1/4” flat washer (4)2 - 5/8” long wood screws #8 (8) 5 - 1/4-20 hex nut (4)3 - 1/4-20 X 1-1/2” long flat head Phillips screw (4)

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ASSEMBLY INSTRUCTIONSWhen mounting the T-Square® Fence System to table saws that have been equipped with original equipment fence, guiderails and open grate or stamped steel extension wings, remove the fence, front and rear guide rails and right extensionwing from the saw and assemble the T-Square® Fence as follows:

ASSEMBLING FRONT AND REAR RAILS1. DISCONNECT THE SAW FROM THE POWER SOURCE

FOR DELTA SAWS ONLY(Except Models 34-670, 36-380 and 36-600)

2. Align the two holes (E) Fig. 6, in the front rail (C) with the two through holes in the saw table and fasten the rail (C) to thetable saw using the two 3/8-16 x 1-1/4” long flat head screws, flat washers, lock washers and hex nuts supplied. Do notcompletely tighten the mounting hardware at this time. It is not necessary to use clamps to hold the front rail to the sawtable. On Delta saws that are equipped with a sheet metal left extension wing, fasten the front rail (C) to the extensionwing using the remaining 3/8-16 x 1-1/4” long flat head screw, lock washer and hex nut supplied through hole (F) in thefront rail

FOR ALL OTHER TABLE SAWS(Including Delta Models 34-670, 36-380 and 36-600)

3. Raise saw blade (A) Fig. 7. Place a straight edge (B) against right side of saw blade extending out over front of sawtable as shown. Position front rail (C) against front edge of saw table and lightly clamp in place using bar clamps (D). Alignthe notch (E) in front rail (C) with right side of saw blade using the straight edge (B) as shown, and tighten bar clamps (D).4. Figure 7 illustrates the front rail (C) clamped to the front edge of the saw table.

FE

C

E

D

A

B

E

C

D

Fig. 6

Fig. 7

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NOTE: On Contractor’s saws made prior to 1988,the two mounting holes in the front edge of thesaw were threaded. It is necessary to drill out thethreads with a 7/16” drill bit and use the hard-ware provided as indicated in step 2.

FOR ALL SAWS(Including Delta Models 34-67-, 34-380 and 36-600)

5. Using the template (G) Figures 8 and 9, check andadjust front rail (C) at both sides of the saw table as shown,to make sure rail (C) is level with table surface. THISMEASUREMENT IS CRITICAL. IF NECESSARY, AN-OTHER PATTERN CAN BE MADE USING THE DIMEN-SION FOUND IN FIG. 10. IMPORTANT: Template (G)Figs. 8 and 9, must be on the saw table when checking,not on extension wing.

FOR DELTA TABLE SAWS(Except Models 34-670, 34-380 and 36-600)

6. When you are certain front rail (C) Figs. 8 and 9, islevel with the table surface, securely tighten front railmounting hardware.

FOR ALL OTHER SAWS(Including Delta Models 34-670, 34-380 and 36-600)

7. When you are certain front rail (C) Figures 8 and 9, islevel with table surface, securely tighten bar clamps (D).

8. Check to make certain there is no interference such ascasting ribs behind front edge of saw table and drill aminimum of four 1/4” through holes into the saw tableusing holes in front rail as a template. Fasten front rail (C)Fig. 11, to saw table using the four 1/4-20 x 1-1/4” longflat head screws (H), flat washers, lockwashers and hexnut supplied. Remove bar clamps after front rail is fas-tened to saw table.

9. Drill an additional through hole in the extension wingusing one of the holes in the front as a template and fas-ten front rail to extension wing using a 1/-20 x 1-1/4” longflat head screw (J) Fig. 11, flat washer, lockwasher andhex nut supplied.

G

D C D

CD

J

C

HH

Fig. 8

Fig. 9

Fig. 10

Fig. 116

USE PATTERN AS SHOWN HERE TO GAUGE DEPTH OFFRONT RAIL. THIS MEASUREMENT IS CRITICAL.

PATTERN

SAW TABLE

FRONT RAIL

2-3/16”

FOR DELTA TABLE SAWS(Except Models 34-670, 34-380 and 36-600)

10. Align the two non-countersunk hole (K) Fig. 12, of rearrail (L) with the two holes in rear edge of saw table andfasten rear rail to saw table as follows:

For Delta 10” Tilting Arbor Saws, 10”Contractor’s Saws and 10” Contractor’s II –Make certain the edge (M) Fig. 12, of the rail isbelow miter gage slots an equal distance as shownand fasten rear rail (L) to the saw using the two3/8-24 x 1-1/4” long hex head screws, flat wash-ers, lockwashers and hex nuts supplied.

IMPORTANT: DO NOT USE TEMPLATE SUPPLIED TOLEVEL REAR RAIL.

FOR ALL OTHER TABLE SAWS(Including Delta Models 34-670, 34-380 and 36-600)

11. Clamp rear rail (L) Fig. 12, to back of saw table usingbar clamps, making certain left side of notch (N) in rail isaligned with right side of saw blade as shown, using straightedge (B). Also make sure edge (M) of rear rail is belowmiter gage slots an equal distance as shown.

IMPORTANT: DO NOT USE TEMPLATE SUPPLIED TOLEVEL REAR RAIL.

12. Check to make certain there is no interference such ascasting ribs behind the rear edge of saw table and drill aminimum of two 1/4” through holes through the saw tableusing the holes in rear rail as a template. Fasten rear rail tosaw table using two 1/4-20 x 1-1/4” long flat head screws(H) Fig. 13, flat washers, lockwashers and hex nuts sup-plied. Drill an additional through hole in the extension wingusing one of the holes in the rear rail as a template andfasten rear rail to extension wing using a 1/4-20 x 1-1/4”long flat head screw (J) Fig. 13, flat washer, lockwasherand hex nut supplied. IMPORTANT: If there is no room inrear edge of table to drill through holes, it will be necessaryto drill #7 holes in table and tap holes using a 1/4-20 tap.

13. Figure 13 illustrates the bar clamp removed and therear rail (L) fastened to rear of the saw table and extensionwing using the hex head screws (H) and (J).

FOR ALL SAWS14. After fastening the rear rail to the saw table, tilt sawblade to make certain there is no interference betweenthe guard, splitter and rear rail. If there is, it will be neces-sary to enlarge the cutout area (P) Fig. 14, in the rear rail.

B

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N

L

K

H HJ

L

P

Fig. 12

Fig. 13

Fig. 14

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CONSTRUCTING EXTENSION TABLE1. If you did not purchase the accessory right extension table for use with your T-Square® Fence,construct an extension table by following the dimensions shown in Fig. 15.

ASSEMBLING ACCESSORY 78-951 LEG KITTO EXTENSION TABLE

1. Position the two legs (A) Fig. 16, at the two far cornersof the inside of one end of the extension table, as shown,and mark the position of the eight holes (B) to be drilledinto the bottom of the table and the four holes (D) to bedrilled into the frame of the table. IMPORTANT: If yoursaw and fence system will be used with a mobile baseunderneath the saw and table legs, the position of thelegs may have to be changed to fit into the mobile base.Remove the two legs (A) and using a 1/16” drill bit, drillthe eight holes 3/8” deep. Using a 1/4” drill bit, drill fourthrough holes through the end piece (C) Fig. 16, of thetable.

A

B

B

DD

C

Fig. 15

Fig. 16

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D

F

B

CF

E

F

A

Fig. 18

Fig. 17

2. Replace the two legs and fasten to the bottom of thetable using the eight 5/8” long wood screws (B) supplied.

3. Fasten the leg bracket (E) Fig. 18, to the end piece (C)of the table using the two 1-1/2” long flat head Phillipsscrews, flat washers and hex nuts (F) Figs. 17 and 18,supplied. Fasten the remaining leg to the extension tablein the same manner.

4. Figure 19 illustrates the two legs (A) assembled to thebottom of the table.

CD

Fig. 199

ASSEMBLING TABLE ASSEMBLY TO FRONT AND REARRAILS

1. Place table assembly (A) in position between the front and rear rails, as shown in Figs. 20 and 21. Make sure end oftable (B) is flush against saw table (C) and using a bar clamp (D) snug up end of rails to hold table in position. Using astraight edge (K) make certain table (A) in the same plane and level with saw table (C). Lightly tap table (A) up or downand adjust leveling screws in bottom of legs to accomplish this. When you are certain table (A) Figs 20 and 21, is level andin the same plane with saw table (C), tighten bar clamp (D) to hold everything in position. Then drill 1/4” through holesthrough the front and rear of the extension table using the lower row of holes (E) in the front and rear rails as a template.The number holes to be drilled will depend on the length of extension table.

CB

A

K

ED

C K

B AE D

Fig. 20

Fig. 21

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ASSEMBLING GUIDE TUBE TO FRONT RAILFOR ALL SAWS

1. Lay the guide tube (D) Fig. 23, on saw table as shown, and line up the threaded holes (M) on bottom of guide tube (D)with the through holes (N) on the front rail (C). IMPORTANT: If a switch adapter is being used for Delta 10” Contractor’sSaws to mount switch to rail and guide tube, holes (L) are used to mount the Contractor’s Saw switch adapter. On sawsother than Delta Contractor’s Saws, a special bracket must be constructed to permit mounting the switch to the bottom ofthe front rail.

2. Lay the guide tube (D) Figs. 23 and 24, on the front rail and fasten the guide tube to the rail using the 1/2” long hex headscrews and lockwashers in all holes except the ones used to fasten the switch adapter, If applicable.

J

HG

N

M

DM

D

Fig. 23

Fig. 24

Fig. 22

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2. After the holes have been drilled in the front and rearedges on the extension table, fasten both front and rearrail to table using the 1-1/2” flat head Phillips screws (G)Fig. 22, 1-1/4” O.D. flat washers (H) and hex nuts (J)supplied.

C

N

L

FENCE OPERATIONIMPORTANT: Before operating fence, make sure the fence is adjusted parallel to the miter gage slot, as explainedlater on in this manual.

1. To move the fence along the guide rail, simply lift up clamplever (A) as shown in Fig. 26, slide fence to desired positionon guide, and push down on clamp lever (A) as shown inFig. 27, to lock fence in position. NOTE: A magnet (B) Fig.27, is provided to hold clamp handle (A) in the up positionwhen moving the fence.

FOR DELTA SAWS ONLY

5. WARNING: If there is not enough cord when repositioning the switch, simply cut the cable strap holding the cord. Afterthe switch is repositioned, make certain that the cord does not come in contact with the saw blade at any angles from 90to 45 degrees, and use the cable strap supplied with the fence to hold the cord in position.

FOR OLDER DELTA 10” CONTRACTOR’S SAWS AND10” CONTRACTOR’S II SAWS ONLY

3. Assemble the Contractor’s Saws or Contractor’s Saw IIswitch bracket (R) Fig. 25, to bottom of the front rail afterthe guide tube is placed on rail using the two 3/4” long hexhead screws (S) and lockwashers. The screws (S) gothrough the two holes in the switch bracket (R), through thetwo holes in front rail and are threaded into the threadedholes in bottom of guide tube.

4. The switch (O) Fig. 25, will then be assembled to theswitch bracket (R) as shown using the 1” long hex headscrew (P), flat washer and hex nut supplied.

A

A

B

O

R

SP S

Fig. 25

Fig. 26

Fig. 2712

IMPORTANT: Check to make certain that the miter gageslots in the saw table are parallel with the saw bladebefore adjusting the fence parallel to the miter gageslots as follows:

The fence (A) Fig. 29, must be adjusted so it is parallel tothe miter gage slots (B). To check and adjust, move fence(A) until the bottom edge of the fence is in line with theedge of one of the miter gage slots as shown, and pushdown on the fence clamping lever (C). Check to see if thefence (A) is parallel to the miter gage slot the entire lengthof the table. If an adjustment must be made, lift up fencelocking lever (C) and raise the fence up off the guide tube,as shown in Fig. 30. Slightly tighten or loosen one of thetwo adjusting screws (D) or (E) Fig. 30, using a 3/16” allenwrench (F), not supplied. Replace the fence on the guidetube and check again to see if the edge of the fence isparallel with the miter gage slot the entire length of the slot.Repeat this adjustment until you are sure the fence is par-allel with the miter gage slot. IMPORTANT: VERY LITTLEMOVEMENT OF THE SCREWS (D) AND (E) FIG. 30, ISNECESSARY TO ADJUST THE FENCE PARALLEL WITHTHE MITER GAGE SLOT.

ADJUSTING FENCE PARALLEL TOMITER GAGE SLOTS

2. The distance the fence is positioned away from the bladeis indicated by the witness line (C) Fig. 28, located in cursor(D). If it is necessary to adjust the cursor (D), make a testcut with the fence locked in position. Measure the width ofthe finished cut and adjust the cursor (D) by loosening thetwo screws (E), adjusting the cursor (D) until the witnessline (C) is aligned with the same marking on the scale asthe finished cut. Then tighten the two screws (E).

A

B

C

E

D

C

DF

E

Fig. 28

Fig. 29

Fig. 30

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When the fence locking handle (A) is pushed to the downposition, as shown in Fig. 31, the fence assembly (B) shouldbe completely clamped to the guide tube (C). If the fenceassembly (B) is not completely clamped to the guide tube(C) when the handle (A) is pushed down, as shown in Fig.31, lift up handle (A) and raise fence assembly (B) up off theguide tube (C). Slightly tighten the two adjusting screws (D)and (E) Fig. 32, using the 3/16” allen wrench (F), not sup-plied. Screws (D) and (E) Fig. 32, should be tightened anequal amount. Replace fence onto the guide tube and re-check to see if the fence assembly (B) Fig. 31, is completelytightened to the guide tube (C) with the locking handle (A)pushed down. Adjust further if necessary. IMPORTANT:AFTER ADJUSTING THE CLAMPING ACTION OF THEFENCE LOCKING HANDLE, CHECK TO SEE IF THEFENCE IS PARALLEL TO THE MITER GAGE SLOT ANDADJUST IF NECESSARY.

LUBRICATION

1. Apply paste wax to the fence and guide tube sliding sur-faces weekly. Also, saw table and extension table surfacesshould be waxed often.

2. Apply grease to cam lock (A) Fig. 33, and camfoot (B)occasionally to prevent wear.

ADJUSTING CLAMPING ACTION OFFENCE LOCKING HANDLE

B

C A

D

F

E

A

B

Fig. 31

Fig. 32

Fig. 3314

PARTS, SERVICE, OR WARRANTY ASSISTANCETo obtain additional information regarding this product or to obtain parts, service or warranty assis-tance, please fax or call the following toll free number. Highly qualified and experienced CustomerService Representatives are standing by to assist you in weekdays from 7:30 AM to 4:00 PM Moun-tain Standard Time.

Biesemeyer®

216 S Alma School Rd, Ste. 3Mesa, AZ 85210

(480) 835-9300 (800) 782-1831 (480) 834-8515

Phone Toll Free Fax

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Delta will repair or replace, at its expense and at its option, any Delta machine part, or machineaccessory which in normal use has proven to be defective in workmanship or material, provided thatthe customer notifies his supplying distributor of the alleged defect within two years from the date ofdelivery to him, of the product and provides Delta Machinery with reasonable opportunity to verify thedefect by inspection. Delta Machinery may require that electrical motors be returned prepaid to thesupplying distributor or authorized service center for inspection and repair or replacement. Delta ma-chinery will not be responsible for any asserted defect which has resulted from misuse, abuse or repairor alteration made or specifically authorized by anyone other than an authorized Delta service facilityor representative. Under no circumstances will Delta Machinery be liable for incidental or consequen-tial damages resulting from defective products. This warranty is Delta’s sole warranty and sets forththe customers exclusive remedy, with respect to defective products; all other warranties, expressed orimplied, whether of merchantability, fitness for purpose, or otherwise, are expressly disclaimed byDelta.

Two Year Limited Warranty

Delta Machinery